The reference RTX 5070 Ti and RX 9070 XT have nearly identical manufacturer power ratings—300 W and 304 W, respectively—and both vendors recommend a 750 W power supply. Those ratings do not predict every game’s draw: review testing found the RX 9070 XT using more power on average. To estimate the bill impact, use the power actually drawn, your gaming hours, and your electricity rate.
Rated power: 300 W vs. 304 W
NVIDIA specifies 300 W Total Graphics Power (TGP) for the reference RTX 5070 Ti. AMD lists 304 W “Typical Board Power (Desktop)” for the RX 9070 XT. These are vendor specifications with differently named power measures, not results from one standardized head-to-head test. The four-watt gap alone does not establish which card is more efficient in games.
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Actual draw varies with the game, resolution, settings, frame rate, card design, and measurement method. Partner cards may also differ from reference specifications. Treat the rated figures as product specifications, not as a promise that a card will draw that amount continuously.
What gaming tests found
In its 2025 review testing, PC Gamer reported average card power of 303 W for the RTX 5070 Ti and 352 W for the RX 9070 XT—a 49 W difference in that test. A later TechSpot 52-game comparison, published May 22, 2026, summarized the Radeon as typically consuming around 20% more power.
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These findings indicate that the RX 9070 XT used more power in those review contexts; they do not establish the same difference for every game, retail model, or system. The figures are card-power measurements, not whole-PC wall draw. Do not treat them as directly comparable to a plug-in meter reading for an entire computer: the rest of the system and the power supply’s conversion losses affect wall consumption. Idle draw, transient peaks, and results normalized to equal frame rates are separate questions not answered by those summary figures.
PSU requirements and connectors
Both manufacturers specify a 750 W PSU recommendation for their reference product: NVIDIA calls it “Required System Power,” while AMD calls it “Minimum PSU Recommendation.” The shared number means the GPU choice alone does not change the nominal recommendation on paper, but it is not a guarantee that any 750 W unit suits every PC.
| Card | Manufacturer power figure | Manufacturer PSU figure | Connector guidance |
|---|---|---|---|
| RTX 5070 Ti reference specification | 300 W Total Graphics Power | 750 W Required System Power | NVIDIA lists two PCIe 8-pin cables with the included adapter, or a 300 W-or-greater PCIe Gen 5 cable; it recommends a PCIe CEM 5.1-compliant PSU. |
| RX 9070 XT product specification | 304 W Typical Board Power (Desktop) | 750 W Minimum PSU Recommendation | Check the exact card maker’s documentation for connector requirements; the family specification does not establish one arrangement for every partner board. |
NVIDIA says its 750 W figure is based on a system with a Ryzen 9 9950X and warns that requirements can vary by configuration. Its product page also notes that specifications may vary by add-in-card manufacturer. For either GPU, check the exact board’s instructions and account for the CPU, other components, PSU quality and age, available native cables, and transient loads before deciding whether your current supply is suitable.
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Estimate the electricity cost
Calculate energy from average power and use time, then multiply by your electricity price:
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- Electricity cost = energy (kWh) × price per kWh
For an illustration using PC Gamer’s reported averages, the 49 W difference is 0.049 kWh per gaming hour. Over 1,000 hours, that equals 49 kWh. At an assumed $0.20 per kWh, the difference would cost $9.80 for those 1,000 hours. The $0.20 rate is an example input, not a current or universal U.S. rate; substitute your own tariff and hours.
This example compares the reported card-power difference only. It does not include whole-system consumption, changing loads, PSU conversion losses, non-gaming use, or regional tariff structures. Electricity prices vary by location, provider, plan, and time, so a wattage rating by itself cannot tell you what the card will add to your bill.
Quick Recap
How to apply the comparison to your PC
- Check the exact card. Use the specification and installation guidance for the particular RTX 5070 Ti or RX 9070 XT model you intend to install, not just the reference-family figure.
- Check the whole build. Compare the PSU’s capacity, condition, quality, and cable support with the GPU maker’s guidance and the needs of your CPU and other components.
- Estimate your own use. Use a realistic average draw for your games and settings, multiply by your gaming hours, and apply the rate on your electricity plan. A whole-PC wall-meter reading is useful for estimating the PC’s total electricity use, but it is not the same as card-only power.
Product prices and availability are accurate as of the date/time indicated and are subject to change. Any price and availability information displayed on Amazon at the time of purchase will apply.
